?? ??? ?? ?? ?????, ??? ??? ????? ?? ? ??? ?? ??????? ???( ??????, ??????, ????? ? )?? ??? ???Stem cells are divided into 2 major sorts. They may be embryonic stem cells and adult stem cells. Embryonic stem cells. The embryonic stem cells Employed in research nowadays originate from unused embryos. These consequence from an in vitro fertilization p

Clonal cell traces are developed by escalating up only one cell. Evans and Kaufman showed which the cells grown out from these cultures could form teratomas and embryoid bodies, and differentiate in vitro, all of which indicating the cells are pluripotent.[52]Oligopotent stem cells can differentiate into quite a few cell kinds. A myeloid stem cell

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